CN220012242U - Oil-water phase separator for treating oil-floating wastewater - Google Patents
Oil-water phase separator for treating oil-floating wastewater Download PDFInfo
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- CN220012242U CN220012242U CN202321651017.4U CN202321651017U CN220012242U CN 220012242 U CN220012242 U CN 220012242U CN 202321651017 U CN202321651017 U CN 202321651017U CN 220012242 U CN220012242 U CN 220012242U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 239000002351 wastewater Substances 0.000 title claims abstract description 37
- 238000007790 scraping Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims description 27
- 238000005192 partition Methods 0.000 claims description 21
- 238000005191 phase separation Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010016952 Food poisoning Diseases 0.000 description 1
- 208000019331 Foodborne disease Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Removal Of Floating Material (AREA)
Abstract
The utility model discloses an oil-water phase separator for treating oil-bearing wastewater, wherein a water distributor is arranged at an oil-bearing wastewater inlet; an electric heater is arranged above the water distributor; a fine oil drop collecting device is arranged above the electric heater; an oil scraping machine is arranged above the fine oil drop collecting device; the oil discharge end of the oil scraping machine is provided with an oil collecting tank with an open upper end. A water outlet end of the water outlet pipe is positioned in the water tank. The utility model can be used for more fully and efficiently separating oil from water containing floating oil.
Description
Technical Field
The utility model relates to an oil-water separation device, in particular to an oil-water separation device for treating floating oil-containing wastewater.
Background
The oily sewage is discharged without treatment, so that the drinking water source is polluted, and the disease infection and even food poisoning are possibly caused. In addition, if the oily sewage is discharged into water bodies such as rivers or lakes, the oily substances in the oily sewage can float on the water surface to prevent the normal exchange between the atmosphere and the water bodies, the oxygen in the water bodies is reduced, the growth of aquatic organisms is influenced, and the ecological balance is destroyed.
The existing treatment equipment for the wastewater containing the floating oil mainly comprises the steps of standing the wastewater to enable the oil phase with smaller density to float on the water surface, and then implementing oil-water phase separation. Such devices have mainly the following drawbacks: first, equipment is bulky, and occupation space is big, and separation speed is slow and separation efficiency is low. And secondly, sewage directly enters a standing water tank through a pipeline, repeatedly impacts and disturbs water in the standing water tank, and further prolongs the oil-water separation time.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an oil-water phase separator for treating the oil-water-containing wastewater, which realizes more sufficient and efficient oil-water separation.
The technical scheme of the utility model is as follows:
an oil-water phase separator for treating oil-bearing wastewater comprises a box body with an oil-bearing wastewater inlet, a water outlet and an oil outlet, wherein a first baffle plate and a second baffle plate are arranged in the box body; the first partition board and the second partition board divide the interior of the box body into a separation area, a water collecting area and a water tank which are sequentially arranged; wherein the upper end of the first partition plate for separating the separation area and the water collecting area is provided with an overflow space, and the water collecting area and the water tank are separated into two mutually independent spaces by the second partition plate; the water outlet is arranged at one side of the water tank; a water distributor positioned at the bottom of the separation zone is arranged at the inlet of the oily wastewater; an electric heater positioned in the separation zone is arranged above the water distributor; a fine oil drop collecting device positioned in the separation area is arranged above the electric heater; an oil-water phase separation area is arranged above the fine oil drop collecting device; an oil collecting tank with an open upper end is arranged in the water collecting area, and the oil outlet is connected with the oil collecting tank through an oil discharge pipe; the oil discharge end of the oil scraping machine is higher than the upper port of the oil collecting tank; the water tank is internally provided with a drain pipe with a water inlet end communicated with the water collecting area, and a water outlet end of the drain pipe is positioned in the water tank.
Preferably, the water distributor comprises a main pipe communicated with the oily wastewater inlet and a plurality of branch pipes respectively communicated with the main pipe; the branch pipe is provided with a plurality of water distribution holes with water outlet direction obliquely below.
Preferably, the fine oil drop collecting device comprises a plurality of inclined pipes which are arranged in parallel, the upper ends of the inclined pipes are communicated with the oil-water phase separation area, and the lower ends of the inclined pipes are communicated with the space where the electric heater is located; the included angle between the inclined tube trend and the horizontal plane is alpha, and 0 degrees < alpha <90 degrees.
Further preferably, the inclined tube is hexagonal tubular, and the inner wall of the inclined tube is honeycomb-shaped.
Preferably, a temperature sensor for monitoring water temperature is also arranged between the water distributor and the fine oil drop collecting device.
Preferably, an oil level adjusting plate capable of sliding up and down along the front side plate is mounted on the front side plate of the oil collecting tank.
Preferably, a water level regulator is arranged at the water outlet end of the drain pipe; the water level regulator is a sleeve pipe which is connected with the upper port of the drain pipe in a threaded manner.
The utility model has the positive effects that:
first, contain oily waste water and evenly distribute water in the equipment bottom through the water-locator for oily waste water can more evenly, at uniform velocity rise from the equipment bottom, and alleviateed the impact disturbance degree of inflow to the water in the box. In the heating zone, the electric field of the tiny oil droplets is changed at high temperature, so that mutual repulsive interaction is reduced, molecular movement speed is increased, and the tiny oil droplets are more likely to collide with each other and combine to form large oil droplets. And the movement of the oil molecules is quickened by heating, so that the fluidity is improved. The big oil drop in the oil-water phase separation area rises to the upper part of the water surface rapidly, and is scraped to the oil collecting tank by the oil scraping machine. The water phase enters the water tank through the water collecting area, so that more sufficient and efficient oil-water separation is realized.
In the second, the optimization technical scheme of the utility model, the oil collecting tank is provided with the oil level adjusting plate, so that the oil level above the water surface can be adjusted; the water outlet end of the drain pipe is provided with a water level regulator, so that the water level can be regulated. The oil level and the water level can be coordinated by adjusting the oil level adjusting plate and the water level adjuster, so that the optimal separation effect is achieved.
Thirdly, in the optimized technical scheme of the utility model, the tiny oil drop collecting device is a honeycomb inclined tube filler made of oleophobic material, when heated oily wastewater passes through the inclined tube of the tiny oil drop collecting device, the collision probability of tiny oil drops in the wastewater in the area is increased when the water flow collides with the inclined tube to change the direction, and the purpose of coarsening the oil drops is achieved by forming large oil drops.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
FIG. 2 is a partial top view schematic of an embodiment of the utility model.
In the figure, 1, a water distributor, 2, an electric heater, 3, a temperature sensor, 4, a fine oil drop collecting device, 5, an oil-water separation area, 6, a water level line, 7, an oil level line, 8, a oil scraping machine, 9, an oil level adjusting plate, 10, an oil collecting tank, 11, an oil drain pipe, 12, a water level regulator, 13, a tank body, 14, a water tank, 15, a drain pipe, 16, a second partition board, 17, a water collecting area, 18 and a first partition board.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1 and 2, an embodiment of the oil-water separator for treating wastewater containing floating oil according to the present utility model includes a tank 13 having an inlet for wastewater containing oil, a water outlet, and an oil outlet. The first partition 18 and the second partition 16 are installed in the tank 13, and the first partition 18 and the second partition 16 divide the interior of the tank 13 into a separation area, a water collection area 17 and a water tank 14 which are sequentially arranged. Wherein the upper end of the first partition 18 for separating the separation area from the water collection area 17 has an overflow space (i.e., the upper end of the first partition 18 has a certain distance from the upper wall of the tank 13), and the water collection area 17 and the water tank 14 are separated into two spaces independent from each other by the second partition 16. The water outlet is arranged outside the water tank 14.
The inlet of the oily wastewater is provided with a water distributor 1 positioned at the bottom of the separation zone. An electric heater 2 positioned in the separation area is arranged above the water distributor 1, and a fine oil drop collecting device 4 positioned in the separation area is arranged above the electric heater 2. An oil-water phase separation area 5 is arranged above the fine oil drop collecting device 4. An oil collecting tank 10 with an open upper end is arranged in the water collecting area 17, and the oil outlet is connected with the oil collecting tank 10 through an oil discharge pipe 11.
And the oil scraping machine 8 positioned in the oil-water phase separation area 5 is also arranged in the tank body 13, and the oil discharging end of the oil scraping machine 8 is close to the oil collecting tank 10 and higher than the upper port of the oil collecting tank 10. The oil scraping machine 8 is used for scraping floating oil on the upper layer in the oil-water phase separation area 5 into the oil collecting tank 10.
A drain pipe 15 with a water inlet end communicated with the water collecting area 17 is arranged in the water tank 14, and a water outlet end of the drain pipe 15 is positioned inside the water tank 14.
Further, the water distributor 1 comprises a main pipe communicated with the oily wastewater inlet and a plurality of branch pipes respectively communicated with the main pipe. The branch pipe is provided with a case that the water outlet direction is obliquely downward
And the water distribution holes are dried. The size and the distance of the water distribution holes are calculated according to the water quantity and the water load.
Further, the fine oil drop collecting device 4 comprises a plurality of inclined pipes which are arranged in parallel, the upper ends of the inclined pipes are communicated with the oil-water phase separation area 5, and the lower ends of the inclined pipes are communicated with the space where the electric heater 2 is located. The angle between the inclined tube trend and the horizontal plane is alpha, 0 DEG < alpha <90 DEG, and preferably alpha is about 60 deg.
Further, the inclined tube is in a hexagonal tube shape, and the inner wall of the inclined tube is in a honeycomb shape. The inclined pipes form honeycomb inclined pipe filling materials and are fixedly arranged in the separation area through a filling frame.
Further, a temperature sensor 3 for monitoring water temperature is also installed between the water distributor 1 and the fine oil drop collecting device 4.
Further, the oil collecting tank 10 has a bottom plate, a rear side plate, a front side plate, and two end plates, wherein the second partition plate 16 serves as the rear side plate, and the two tank wall plates of the tank body 13 serve as the two end plates. Wherein the front side plate (i.e., the side plate near the oil discharge end of the oil scraper 8) is mounted with an oil level adjusting plate 9 capable of sliding up and down along the front side plate. The oil level adjustment plate 9 is used for adjusting the height of the oil level line 7 in the separation area and the water collection area 17.
Further, the water outlet end of the water drain pipe 15 is an upper port of the water drain pipe 15, and the water level regulator 12 is installed at the upper port. In particular, the water level regulator 12 may be a sleeve screwed to an upper port of the drain pipe 15. The height of the upper port is adjusted when the sleeve is rotated, so that the purpose of adjusting the height of the water level line 6 in the separation area and the water collecting area 17 is achieved.
The oil-containing wastewater enters the water distributor 1 through the water inlet and is uniformly distributed under the fine oil drop collecting device 4, so that the oil-containing wastewater can more uniformly and uniformly rise from the bottom of the device. The oily wastewater rises into the heating zone and is heated by the electric heater 2. The heating oil-water mixed phase has the following functions: the electric field of the tiny oil droplets is changed by high temperature, so that mutual repulsive interaction is reduced, and the movement speed of molecules is increased, so that the molecules are more easy to collide with each other and combine to form large oil droplets.
The heated oily wastewater enters the tiny oil drop collecting device 4, when the oily wastewater passes through the inclined tube of the tiny oil drop collecting device 4, the water flow collides with the inclined tube to change the flowing direction, the probability of collision of tiny oil drops in the wastewater in the area is increased, and the purpose that big oil drops are coarsely granulated and the floating speed is increased is achieved.
The waste water enters the oil-water phase separation area 5, and in the oil-water phase separation area 5, the oil drops rise to the upper part of the water surface, are scraped to the oil collecting tank 10 by the oil scraper 8, and are discharged through the oil discharge pipe 11. The separated water overflows over the upper end of the first partition plate 18 and enters the water collecting area 17, then enters the water tank 14 through the water drain pipe 15, and finally is discharged from the water outlet, so that oil-water phase separation is realized.
The temperature sensor 3 transmits temperature data to a control system for controlling the electric heater 2 such that the heating zone water temperature is in a set temperature range.
Claims (7)
1. An oil-water phase separator for treating oil-bearing wastewater, which comprises a box body (13) with an oil-bearing wastewater inlet, a water outlet and an oil outlet, and is characterized in that: a first partition plate (18) and a second partition plate (16) are arranged in the box body (13); the first partition plate (18) and the second partition plate (16) divide the interior of the box body (13) into a separation area, a water collecting area (17) and a water tank (14) which are sequentially arranged; wherein the upper end of a first partition plate (18) for separating the separation area and the water collecting area (17) is provided with an overflow space, and the water collecting area (17) and the water tank (14) are separated into two mutually independent spaces by a second partition plate (16); the water outlet is arranged at one side of the water tank (14); a water distributor (1) positioned at the bottom of the separation zone is arranged at the inlet of the oily wastewater; an electric heater (2) positioned in the separation zone is arranged above the water distributor (1); a fine oil drop collecting device (4) positioned in the separation area is arranged above the electric heater (2); an oil-water phase separation area (5) is arranged above the fine oil drop collecting device (4); an oil collecting tank (10) with an open upper end is arranged in the water collecting area (17), and the oil outlet is connected with the oil collecting tank (10) through an oil discharge pipe (11); an oil scraping machine (8) positioned in the oil-water phase separation region (5) is further arranged in the box body (13), and the oil discharging end of the oil scraping machine (8) is higher than the upper port of the oil collecting box (10); a drain pipe (15) with a water inlet end communicated with the water collecting area (17) is arranged in the water tank (14), and a water outlet end of the drain pipe (15) is positioned in the water tank (14).
2. The oil-water separator for treating floating oil-containing wastewater according to claim 1, wherein: the water distributor (1) comprises a main pipe communicated with the oily wastewater inlet and a plurality of branch pipes respectively communicated with the main pipe; the branch pipe is provided with a plurality of water distribution holes with water outlet direction obliquely below.
3. The oil-water separator for treating floating oil-containing wastewater according to claim 1, wherein: the fine oil drop collecting device (4) comprises a plurality of inclined pipes which are arranged in parallel, the upper ends of the inclined pipes are communicated with the oil-water phase separation area (5), and the lower ends of the inclined pipes are communicated with the space where the electric heater (2) is located; the included angle between the inclined tube trend and the horizontal plane is alpha, and 0 degrees < alpha <90 degrees.
4. An oil-water separator for treating oil-bearing wastewater according to claim 3, wherein: the inclined tube is in a hexagonal tube shape, and the inner wall of the inclined tube is in a honeycomb shape.
5. The oil-water separator for treating floating oil-containing wastewater according to claim 1, wherein: a temperature used for monitoring water temperature is also arranged between the water distributor (1) and the tiny oil drop collecting device (4)
A sensor (3).
6. The oil-water separator for treating floating oil-containing wastewater according to claim 1, wherein: the front side plate of the oil collecting tank (10) is provided with an oil level adjusting plate (9) which can slide up and down along the front side plate.
7. The oil-water separator for treating floating oil-containing wastewater according to claim 1, wherein: the water outlet end of the drain pipe (15) is provided with a water level regulator (12); the water level regulator (12) is a sleeve which is connected with the upper port of the drain pipe (15) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321651017.4U CN220012242U (en) | 2023-06-27 | 2023-06-27 | Oil-water phase separator for treating oil-floating wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321651017.4U CN220012242U (en) | 2023-06-27 | 2023-06-27 | Oil-water phase separator for treating oil-floating wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220012242U true CN220012242U (en) | 2023-11-14 |
Family
ID=88688331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321651017.4U Active CN220012242U (en) | 2023-06-27 | 2023-06-27 | Oil-water phase separator for treating oil-floating wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220012242U (en) |
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2023
- 2023-06-27 CN CN202321651017.4U patent/CN220012242U/en active Active
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